Introduction to Statistics and Data Analysis
Introduction to Statistics and Data Analysis
5th Edition
ISBN: 9781305445963
Author: PECK
Publisher: Cengage
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Chapter 11, Problem 74CR

The article “Softball Sliding Injuries” (American Journal of Diseases of Children [1988]: 715–716) provided a comparison of breakaway bases (designed to reduce injuries) and stationary bases. Consider the accompanying data (which agree with summary values given in the paper).

Chapter 11, Problem 74CR, The article Softball Sliding Injuries (American Journal of Diseases of Children [1988]: 715716)

  1. a. Is the proportion of games with a player suffering a sliding injury significantly lower for games using breakaway bases? Answer by performing a level 0.01 test.
  2. b. What did you have to assume in order for your conclusion to be valid? Do you think it is likely that this assumption was satisfied in this study?
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Chapter 11 Solutions

Introduction to Statistics and Data Analysis

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